Noisy
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The world is being quietly rearranged by people who write very long documents.

Federal Register · December 18, 2024
The title they went with Partial Approval and Disapproval of Air Quality Implementation Plans; Arizona; Regional Haze State Implementation Plan for the Second Implementation Period and Prong 4 (Visibility) for the 2015 Ozone and 2012 Particulate Matter Standards Noisy translates that to

Arizona must now clean up its air faster, or the US environmental regulators will do it for them

What happened
The US environmental regulators partially rejected Arizona's plan to reduce regional haze and improve air quality. This means Arizona must submit a stronger plan, or the federal government will impose its own rules.
Why it matters
States are required to make steady progress on air quality. When a state's plan is deemed insufficient, the US environmental regulators can step in and enforce federal standards directly. This action signals that the federal government is serious about holding states accountable for meeting clean air goals, even if it means overriding local plans.
The signal
Watch for Arizona's revised plan submission and whether it includes more aggressive pollution controls, or if the US environmental regulators move to implement a federal plan.
If you insist
Read the original →